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Posted to issues@commons.apache.org by "Mike Miller (Jira)" <ji...@apache.org> on 2022/05/06 15:09:00 UTC

[jira] [Updated] (VFS-819) VFSClassLoader ClassNotFoundException JDK 17

     [ https://issues.apache.org/jira/browse/VFS-819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mike Miller updated VFS-819:
----------------------------
    Affects Version/s: 2.9.0

> VFSClassLoader ClassNotFoundException JDK 17
> --------------------------------------------
>
>                 Key: VFS-819
>                 URL: https://issues.apache.org/jira/browse/VFS-819
>             Project: Commons VFS
>          Issue Type: Bug
>    Affects Versions: 2.9.0
>         Environment: OpenJDK 17 version "17.0.3" 2022-04-19
> Apache Maven 3.8.5
> Multiple Linux
>            Reporter: Mike Miller
>            Priority: Major
>
> We (Accumulo) are seeing the VFSClassLoader failing in JDK 17. We have very simple tests, that are all failing when trying to use it to load classes from the classpath.
> {noformat}
> [INFO] Running org.apache.accumulo.start.classloader.vfs.providers.VfsClassLoaderTest
> [ERROR] Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 26.367 s <<< FAILURE! - in org.apache.accumulo.start.classloader.vfs.providers.VfsClassLoaderTest
> [ERROR] org.apache.accumulo.start.classloader.vfs.providers.VfsClassLoaderTest.testGetClass  Time elapsed: 0.02 s  <<< ERROR!
> java.lang.ClassNotFoundException: test.HelloWorld
>     at org.apache.commons.vfs2.impl.VFSClassLoader.findClass(VFSClassLoader.java:150)
>     at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:587)
>     at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
>     at org.apache.accumulo.start.classloader.vfs.providers.VfsClassLoaderTest.testGetClass(VfsClassLoaderTest.java:66)
> {noformat}
> Here is an example:
> {code:java}
> this.cl = new VFSClassLoader(dirContents, vfs);
> @Test
> public void testGetClass() throws Exception {
>   Class<?> helloWorldClass = this.cl.loadClass("test.HelloWorld");
>   Object o = helloWorldClass.getDeclaredConstructor().newInstance();
>   assertEquals("Hello World!", o.toString());
> }{code}
> https://github.com/apache/accumulo/blob/main/start/src/test/java/org/apache/accumulo/start/classloader/vfs/providers/VfsClassLoaderTest.java



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